CN215719691U - Three-group combined negative pressure fan - Google Patents
Three-group combined negative pressure fan Download PDFInfo
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- CN215719691U CN215719691U CN202122164971.8U CN202122164971U CN215719691U CN 215719691 U CN215719691 U CN 215719691U CN 202122164971 U CN202122164971 U CN 202122164971U CN 215719691 U CN215719691 U CN 215719691U
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Abstract
The utility model discloses a three-group combined negative pressure fan which comprises a case, wherein a hinge is arranged on one side of the bottom end of the case, the case is movably connected with a case cover through the hinge, a plurality of ventilation holes are formed in the outer wall of the case cover, a lock catch plate is welded on one side of the outer wall of the case cover, a fixing frame is welded on one side of the top end of the case, a knob is connected with the top end of the fixing frame in a threaded mode, the bottom end of the knob penetrates through the fixing frame and extends to one side of the case to be attached to the case, a plurality of bearings are embedded in the inner wall of the case, the case is respectively and movably connected with a plurality of shaft levers and a driving shaft through the bearings, fan blades and driven wheels are respectively sleeved on one side of the outer wall of the plurality of shaft levers, a plurality of driving wheels are respectively sleeved on one side of the outer wall of the driving shaft, and belts are respectively sleeved on the outer walls of the plurality of driving wheels, and the driving wheels are respectively in transmission connection with the driven wheels through the belts. This kind of three group's convolution negative pressure air fans, simple structure is reasonable, the modern design, and easy operation is convenient, can effectively improve the convenience of cleaning up the dust, and work efficiency is higher, has higher practical value.
Description
Technical Field
The utility model relates to the technical field of fan equipment, in particular to a three-group combined negative pressure fan.
Background
The negative pressure fan is a machine which can improve any poor ventilation problem by naturally sucking fresh air and rapidly and forcibly discharging indoor hot air out of the room by utilizing the cooling principle of air convection and negative pressure ventilation, and the cooling and ventilation effect can reach 90-97%. The negative pressure fan can blow air and exhaust air, and is the best choice for cooling and ventilating modern workshops. The environment-friendly and energy-saving negative pressure fan becomes the mainstream of the market of the aeration and cooling equipment. When the negative pressure fan is installed, the wall surface on the side of the fan is required to be sealed. Especially, no gap is formed around the fan. The most ideal method for installing the negative pressure fan is that the wall of the fan and the nearby doors and windows are all closed, and the doors and windows facing the wall are opened by the fan, so that the air flow is ensured to flow in a straight line.
However, most of the existing negative pressure fans are of a single structure, and the outer protection window located outdoors is usually fixed by a plurality of bolts, so that the protection window needs to be detached when dust is cleaned, which is troublesome; moreover, the conventional negative pressure fan usually adopts a single driving device to drive a single fan to rotate, so that the working efficiency is not high. Therefore, the improvement is made, and a three-group combined negative pressure fan is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a three-group combined negative pressure fan which comprises a case, wherein a hinge is arranged on one side of the bottom end of the case, the case is movably connected with a case cover through the hinge, a plurality of ventilation holes are formed in the outer wall of the case cover, a lock catch plate is welded on one side of the outer wall of the case cover, a fixing frame is welded on one side of the top end of the case, a knob is connected to the top end of the fixing frame in a threaded mode, the bottom end of the knob penetrates through the fixing frame and extends to one side of the case to be attached to the case, a plurality of bearings are embedded in the inner wall of the case, a plurality of shaft levers and driving shafts are respectively and movably connected to the case through the bearings, fan blades and driven wheels are respectively sleeved on one side of the outer wall of the plurality of shaft levers, a plurality of driving wheels are respectively sleeved on the outer walls of the driving wheels, and the driving wheels are respectively in transmission connection with the driven wheels through the belts.
As a preferred technical scheme of the utility model, the outer wall of the case is welded with a mounting plate, the outer wall of the mounting plate is in threaded connection with a plurality of bolts, the mounting plate is connected with a motor through the bolts, and the output end of the motor is in transmission connection with a driving shaft through a coupler.
As a preferred technical scheme of the utility model, the case is provided with openings at one side close to the fan blades, the openings are internally welded with brackets, and one side of each bracket is movably connected with one end of the shaft lever.
As a preferred technical scheme of the utility model, a plurality of telescopic rods are arranged on the inner wall of the case, and one end of each telescopic rod is connected with the outer wall of the motor.
As a preferred technical scheme of the utility model, a damping spring is sleeved on the outer wall of the telescopic rod, and one end of the damping spring is connected with the outer wall of the motor.
As a preferred technical scheme of the utility model, one side of the outer wall of the lock catch plate is provided with a threaded through hole, and the threads of the inner wall of the threaded through hole are matched with the threads of the outer wall of the knob.
As a preferable technical scheme of the utility model, the case is divided into three metal shells, rivets are connected to two sides of each metal shell, and the metal shells are fixedly connected through the rivets.
As a preferred technical scheme of the utility model, the outer walls of the case and the case cover are both sprayed with antirust paint.
The utility model has the beneficial effects that:
1. according to the three-group combined negative pressure fan, the box cover is used as an outer side protection window of the negative pressure fan through the box cover movably connected to one side of the case, the box cover is more convenient to open by utilizing the movable connection relation between the case and the box cover, so that attached dust is convenient to clean, the box cover is enabled to realize a firm locking function through the mutual matching of the knob, the fixing frame and the locking plate, and then the driving shaft, the driving wheel, the driven wheel, the shaft lever and the fan blades are mutually matched for use, so that the negative pressure fan is enabled to drive the fan blades to rotate through one driving device, and the working efficiency of the negative pressure fan is improved;
2. this kind of three group's convolution negative pressure air fans, kinetic energy output through the motor, make the drive shaft realize rotatoryly, thereby drive the multiunit flabellum and function, and the firm effect through the support, when making the axostylus axostyle rotatory, it is more stable, rethread telescopic link is to the support of motor, make the operation of motor remain stable, and the elastic action through utilizing damping spring, the produced vibrations of motor operation have been reduced, and simultaneously, through the screw thread through-hole setting, make to realize threaded connection between knob and the hasp board, thereby, the fastening between quick-witted case and the case lid has been improved. The dust cleaning device is simple and reasonable in structure, novel in design, simple and convenient to operate, capable of effectively improving the convenience of dust cleaning, high in working efficiency and high in practical value.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a perspective view of a three-group combined negative pressure fan of the present invention;
FIG. 2 is a front cross-sectional view of a three-group combined negative pressure fan of the present invention;
fig. 3 is a side sectional view of a three-group combined negative pressure fan of the present invention.
In the figure: 1. a chassis; 2. a box cover; 3. a support; 4. a fan blade; 5. mounting a plate; 6. a locking plate; 7. a threaded through hole; 8. a knob; 9. a fixed mount; 10. a telescopic rod; 11. a damping spring; 12. a belt; 13. a driven wheel; 14. a shaft lever; 15. a motor; 16. a driving wheel; 17. a drive shaft.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, the utility model relates to a three-group combined negative pressure fan, which comprises a case 1, wherein one side of the bottom end of the case 1 is provided with a hinge, the case 1 is movably connected with a case cover 2 through the hinge, and the outer wall of the case cover 2 is provided with a plurality of ventilation holes, one side of the outer wall of the case cover 2 is welded with a lock catch plate 6, one side of the top end of the case 1 is welded with a fixed frame 9, the top end of the fixed frame 9 is connected with a knob 8 by screw threads, the bottom end of the knob 8 penetrates through the fixed frame 9, and extend to 1 one side of quick-witted case and laminate mutually, 1 inner wall of quick-witted case has inlayed a plurality of bearings, and quick-witted case 1 has a plurality of axostylus axostyles 14 and drive shaft 17 through bearing swing joint respectively, and 14 outer wall one side of a plurality of axostylus axostyles all is equipped with flabellum 4 and follows driving wheel 13, and 17 outer wall one side of drive shaft is equipped with a plurality of action wheels 16, and 16 outer walls of a plurality of action wheels all are equipped with belt 12, and action wheel 16 is connected with following driving wheel 13 transmission through belt 12 respectively.
Wherein, the welding of 1 outer wall of quick-witted case has mounting panel 5, and 5 outer wall threaded connection of mounting panel have a plurality of bolts, and mounting panel 5 has motor 15 through bolted connection, and the 15 output of motor passes through the shaft coupling to be connected with drive shaft 17 transmission, through the kinetic energy output of motor 15 for drive shaft 17 realizes rotatoryly, thereby drives multiunit flabellum 4 and operates.
Wherein, case 1 all is provided with the opening in the one side that is close to flabellum 4, and open-ended internal weld has support 3, and one side of support 3 and the one end swing joint of axostylus axostyle 14, through the firm effect of support 3 for axostylus axostyle 14 is rotatory when, and is more stable.
Wherein, a plurality of telescopic links 10 are installed to quick-witted case 1 inner wall, and the one end of telescopic link 10 and the outer wall connection of motor 15 are through the support of telescopic link 10 to motor 15 for the operation of motor 15 remains stable.
Wherein, telescopic link 10 outer wall cover is equipped with damping spring 11, and damping spring 11's one end and the outer wall connection of motor 15, through utilizing damping spring 11's elastic action, has reduced the produced vibrations of motor 15 operation.
Wherein, the outer wall one side of hasp board 6 is provided with screw thread through-hole 7, and the screw thread of the 7 inner walls of screw thread through-hole is identical with the screw thread of 8 outer walls of knob, sets up through screw thread through-hole 7 for realize threaded connection between knob 8 and the hasp board 6, thereby, improved the fastening nature between quick-witted case 1 and case lid 2.
The chassis 1 is divided into three metal shells, rivets are connected to two sides of each metal shell, and the metal shells are fixedly connected through the rivets.
Wherein, the outer wall of machine case 1 and case lid 2 all is sprayed with anti-rust paint, through the rust-resistant function who utilizes anti-rust paint to reduce the corrosion that machine case 1 and case lid 2 received in the open air.
The working principle is as follows: when the three-group combined negative pressure fan is used, firstly, the negative pressure fan is installed in a designated position area, and is subjected to power-on test, after the normal use is ensured, corresponding group installation is carried out, after the negative pressure fan is used for a period of time, the box cover 2 is used as an outer side protection window of the negative pressure fan through the box cover 2 movably connected with one side of the case 1, the box cover 2 is more conveniently opened by utilizing the movable connection relation between the case 1 and the box cover 2, so that the attached dust is conveniently cleaned, the box cover 2 realizes a firm locking function through the mutual matching of the knob 8, the fixing frame 9 and the locking plate 6, and then the driving shaft 17, the driving wheel 16, the driven wheel 13, the shaft lever 14 and the fan blades 4 are mutually matched for use, so that the negative pressure fan realizes that one driving device drives the fan blades 4 to rotate, thereby the working efficiency of the negative pressure fan is improved, this kind of three group's convolution negative pressure air blowers, kinetic energy output through motor 15, make drive shaft 17 realize rotatoryly, thereby drive multiunit flabellum 4 and function, and the firm effect through support 3, when making axostylus axostyle 14 rotatory, it is more stable, rethread telescopic link 10 is to the support of motor 15, make the operation of motor 15 remain stable, and the elastic action through utilizing damping spring 11, the produced vibrations of motor 15 function have been reduced, and simultaneously, set up through threaded through hole 7, make and realize threaded connection between knob 8 and the snap close board 6, thereby, the fastening nature between quick-witted case 1 and the case lid 2 has been improved. The dust cleaning device is simple and reasonable in structure, novel in design, simple and convenient to operate, capable of effectively improving the convenience of dust cleaning, high in working efficiency and high in practical value.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A three-group combined negative pressure fan comprises a case (1) and is characterized in that a hinge is arranged on one side of the bottom end of the case (1), the case (1) is movably connected with a case cover (2) through the hinge, a plurality of air-permeable holes are formed in the outer wall of the case cover (2), a lock catch plate (6) is welded on one side of the outer wall of the case cover (2), a fixing frame (9) is welded on one side of the top end of the case (1), a knob (8) is connected with the top end of the fixing frame (9) in a threaded manner, the bottom end of the knob (8) penetrates through the fixing frame (9) and extends to one side of the case (1) to be attached to each other, a plurality of bearings are embedded in the inner wall of the case (1), a plurality of shaft levers (14) and a driving shaft (17) are respectively and movably connected to the case (1) through the bearings, and a plurality of fan blades (4) and a driven wheel (13) are sleeved on one side of the outer wall of the shaft levers (14), the belt conveyor is characterized in that a plurality of driving wheels (16) are sleeved on one side of the outer wall of the driving shaft (17), a plurality of belts (12) are sleeved on the outer wall of each driving wheel (16), and the driving wheels (16) are in transmission connection with the driven wheels (13) through the belts (12) respectively.
2. The three-unit combined negative pressure fan as claimed in claim 1, wherein the outer wall of the case (1) is welded with a mounting plate (5), the outer wall of the mounting plate (5) is connected with a plurality of bolts in a threaded manner, the mounting plate (5) is connected with a motor (15) through the bolts, and the output end of the motor (15) is in transmission connection with the driving shaft (17) through a shaft coupling.
3. The three-group combined negative pressure fan according to claim 1, wherein the case (1) is provided with an opening on one side close to the fan blades (4), the bracket (3) is welded inside the opening, and one side of the bracket (3) is movably connected with one end of the shaft lever (14).
4. The three-group combined negative pressure fan as claimed in claim 1, wherein a plurality of telescopic rods (10) are installed on the inner wall of the case (1), and one end of each telescopic rod (10) is connected with the outer wall of the motor (15).
5. The three-group combined negative pressure fan as claimed in claim 4, wherein the outer wall of the telescopic rod (10) is sleeved with a damping spring (11), and one end of the damping spring (11) is connected with the outer wall of the motor (15).
6. The combination of three groups of negative pressure air blower according to claim 1, wherein the lock catch plate (6) is provided with a threaded through hole (7) on one side of the outer wall, and the threads of the inner wall of the threaded through hole (7) are matched with the threads of the outer wall of the knob (8).
7. The three-set combined negative pressure fan according to claim 1, wherein the case (1) is divided into three metal shells, and rivets are connected to two sides of each metal shell, and the metal shells are fixedly connected with each other through rivets.
8. The three-group combined negative pressure fan according to claim 1, wherein the outer walls of the case (1) and the case cover (2) are coated with antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122164971.8U CN215719691U (en) | 2021-09-08 | 2021-09-08 | Three-group combined negative pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122164971.8U CN215719691U (en) | 2021-09-08 | 2021-09-08 | Three-group combined negative pressure fan |
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| Publication Number | Publication Date |
|---|---|
| CN215719691U true CN215719691U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122164971.8U Active CN215719691U (en) | 2021-09-08 | 2021-09-08 | Three-group combined negative pressure fan |
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| CN (1) | CN215719691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010090A (en) * | 2022-05-06 | 2022-09-06 | 湖南有色郴州氟化学有限公司 | Device for improving negative pressure fan capacity and using method thereof |
| CN116241492A (en) * | 2023-01-09 | 2023-06-09 | 东莞市敏欣实业有限公司 | Four palace check rotary drum formula silence negative pressure fans |
-
2021
- 2021-09-08 CN CN202122164971.8U patent/CN215719691U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010090A (en) * | 2022-05-06 | 2022-09-06 | 湖南有色郴州氟化学有限公司 | Device for improving negative pressure fan capacity and using method thereof |
| CN116241492A (en) * | 2023-01-09 | 2023-06-09 | 东莞市敏欣实业有限公司 | Four palace check rotary drum formula silence negative pressure fans |
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